Computer Chess Club Archives


Search

Terms

Messages

Subject: Re: "You Go, Girl!" ....with test position

Author: Tony Werten

Date: 08:59:06 11/12/04

Go up one level in this thread


On November 11, 2004 at 07:49:01, Richard Pijl wrote:

>On November 11, 2004 at 02:51:31, Tony Werten wrote:
>
>>On November 10, 2004 at 22:27:03, Mike Byrne wrote:
>>
>>>                                    4. Rb1 Qc7 5. Ba4 (s=2)
>>>                9     3.76  -1.64   1. Bc2 cxb4 2. axb4 a5 3. e4 Nc6 4.
>>>                                    bxa5 bxa5 5. Ra4 Qc7
>>>                9->   7.25  -1.64   1. Bc2 cxb4 2. axb4 a5 3. e4 Nc6 4.
>>>                                    bxa5 bxa5 5. Ra4 Qc7 (s=3)
>>>               10    10.03  -1.52   1. Bc2 cxb4 2. axb4 a5 3. bxa5 bxa5
>>>                                    4. Rg4 f6 5. Rxf4 exf4 6. gxf6 (s=2)
>>>               10    25.95  -1.27   1. Nxe5 Qe8 2. Be4 cxb4 3. Nxf7 bxc3
>>>                                    4. Nh6+ Kg7 5. Bxc3+ Rf6 6. Bxf6+ Kf8
>>>                                    7. Bxb7 Qxe2#
>>>               10->  27.04  -1.27   1. Nxe5 Qe8 2. Be4 cxb4 3. Nxf7 bxc3
>>>                                    4. Nh6+ Kg7 5. Bxc3+ Rf6 6. Bxf6+ Kf8
>>>                                    7. Bxb7 Qxe2#
>>
>>If your mainline ends in a checkmate, with a -1.27 score, your biggest problem
>>is not "How fast does it solve the position"
>
>Checkmate will always lead to a stand-pat choice in qsearch. Any move will get
>your king taken, so better do nothing and return eval instead. :-)

You've got to be joking.

Ignoring checks in quiescence is already questionable, but ignoring checkmates
is nonsens.

Tony


>Easily solved with check-evasions in qsearch, but of course that costs some
>nodes.
>Richard.
>>
>>Tony



This page took 0 seconds to execute

Last modified: Thu, 15 Apr 21 08:11:13 -0700

Current Computer Chess Club Forums at Talkchess. This site by Sean Mintz.